1071 Vacuum, Teflon stopcock, Outer Joint
Use to regulate the flow of gases or liquids into reaction systems .
Has a Teflon stopcock between the hose connection and standard Outer-Ground taper joint.
Supplied with one Teflon stopcock plug.2118-1125 Replacement 2mm Teflon Plug Only.
Need Adapter with Glass-Stopcock, see Item# 1069
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